If it works, there will be no escaping a mobile signal. AST & Science emerged from “stealth mode” this week. It dubs its service “SpaceMobile”. Mr Avellan, a veteran of the satellite industry, says he …

A study to prod an antimony nucleus (buried in the middle of this device) with magnetic fields became one with electric fields when a key wire melted a gap in it. S. ASAAD ET AL., NATURE 579, 205 (2020)

Once Charles Kao had identified the promise of glass for communications, specialists in glass science took on the task of making that promise a reality. A small group at Corning succeeded by taking a contrarian …

“In their approach, Xiang’s team encoded non-Gaussian characteristics into the mathematics of ‘Wigner’ distribution functions, which are related to the probability distributions of quantum particles. Their updated equations removed many of the complications typically involved …